Lamp



FIG. 1 is a front, right and bottom perspective view of a lamp, showing my new design;

FIG. 2 is a rear, left and top perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an enlarged view of portion of FIG. 1 thereof.

The dash-dash broken lines illustrate portions of the lamp. The dash-dot broken lines represent the boundary of the enlarged view. The broken lines form no part of the claimed design. 

CLAIM The ornamental design for a lamp, as shown and described. 